A black-enamelled and lacquered-brass compound monocular 'Service' microscope, by W. Watson & Sons LTD., London, No. 57743., with rack and pinion coarse focusing with fine adjustment, triple nose-piece, vulcanite stage, sub-stage condenser and plano-concave mirror, in mahogany case 15½in. (39.4cm.) high
A black-enamelled and lacquered-brass compound monocular 'Service' microscope, by W. Watson & Sons LTD., London, No. 57743., with rack and pinion coarse focusing with fine adjustment, triple nose-piece, vulcanite stage, sub-stage condenser and plano-concave mirror, in mahogany case 15½in. (39.4cm.) high
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